AT17F040-30JU

Product Overview

Category: Integrated Circuit (IC)

Use: The AT17F040-30JU is a programmable read-only memory (PROM) IC. It is commonly used for storing non-volatile data in electronic devices.

Characteristics: - Non-volatile memory - High storage capacity - Fast access time - Low power consumption

Package: The AT17F040-30JU is available in a 32-pin PLCC (Plastic Leaded Chip Carrier) package.

Essence: The essence of the AT17F040-30JU is its ability to store and retrieve data reliably, even when power is turned off.

Packaging/Quantity: The AT17F040-30JU is typically sold in reels or tubes, with a quantity of 1000 units per reel/tube.

Specifications

• Memory Size: 4 Megabits (512 Kbytes)
• Operating Voltage: 2.7V - 3.6V
• Access Time: 30 nanoseconds
• Operating Temperature Range: -40°C to +85°C
• Data Retention: 20 years

Detailed Pin Configuration

The AT17F040-30JU has a total of 32 pins. Here is the detailed pin configuration:

1. VCC - Power supply voltage
2. A0-A18 - Address inputs
3. CE - Chip enable
4. OE - Output enable
5. WE - Write enable
6. I/O0-I/O7 - Data input/output
7. NC - No connection
8. GND - Ground

Functional Features

• High-speed data access
• Low power consumption
• Easy integration into existing systems
• Reliable data retention
• Compatibility with various microcontrollers and processors

Advantages and Disadvantages

Advantages: - Large storage capacity - Fast access time - Low power consumption - Long data retention period - Compatibility with different systems

Disadvantages: - Limited write cycles (typically 10,000 cycles) - Higher cost compared to other memory technologies

Working Principles

The AT17F040-30JU is based on the principle of electrically programmable read-only memory (EPROM). It utilizes a floating gate transistor structure to store data. The data can be programmed (written) using specific voltage levels and erased using ultraviolet light exposure.

Detailed Application Field Plans

The AT17F040-30JU finds applications in various electronic devices, including but not limited to: - Consumer electronics (e.g., TVs, DVD players) - Automotive electronics (e.g., engine control units) - Industrial control systems - Medical devices - Communication equipment

Detailed and Complete Alternative Models

1. AT27C040-90JU: Similar to AT17F040-30JU, but with a larger operating voltage range (4.5V - 5.5V).
2. AT28C040-20PU: Similar to AT17F040-30JU, but with a slower access time (200 nanoseconds).

These alternative models offer similar functionality and can be considered as replacements for the AT17F040-30JU depending on specific requirements.

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